PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10857Washer,spring Tension

Mid-America Aerotech, Llc · NSN 5310-00-603-8495 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-603-8495 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-603-8495. Primary manufacturer part number: 10857.
Features
  • Washer,spring Tension — FSC 5310
  • Material: STEEL COMP 301 OVERALL
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material Thickness: 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
  • Outside Diameter: 0.840 INCHES NOMINAL IN
  • Hole Diameter: 0.562 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-00-603-8495, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-603-8495
Primary Part Number10857
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
MaterialSTEEL COMP 301 OVERALL
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Material Thickness0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
Outside Diameter0.840 INCHES NOMINAL IN
Hole Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5315-00-703-1576 INTERCHANGEABLE
Pin,taper
3040-01-219-6616708818 INTERCHANGEABLE
Lining,steam Chest,cylinder
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4730-01-384-1586 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
5950-01-420-891310857 INTERCHANGEABLE
Transformer,audio Frequency
Pico Electronics Inc
Cross-Reference Index
Part NumberManufacturer
10857 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
10857 Moog Inc (USA)
10857 E-Systems Inc Montek Div Fluid Controls Opns (USA)
10857 PRIMARY Mid-America Aerotech, Llc (USA)
Related Parts
5315-00-703-1576INTERCHANGEABLE
PIN,TAPER
3040-01-219-6616INTERCHANGEABLE
LINING,STEAM CHEST,CYLINDER
708818
4730-01-384-1586INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
5950-01-420-8913INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
10857

Frequently Asked Questions

What is NSN 5310-00-603-8495?

NSN 5310-00-603-8495 is a Washer,spring Tension, manufactured by Mid-America Aerotech, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-603-8495?

NSN 5310-00-603-8495 has 4 cross-referenced part numbers: 10857 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 10857 (Moog Inc), 10857 (E-Systems Inc Montek Div Fluid Controls Opns), 10857 (Mid-America Aerotech, Llc).

What NSN replaces 5310-00-603-8495?

There are 4 known substitutes for 5310-00-603-8495: 5315-00-703-1576, 3040-01-219-6616, 4730-01-384-1586 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10857?

Key specifications for 10857: Material: STEEL COMP 301 OVERALL; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL; Material Thickness: 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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